Navier Stokes Equation | A Million-Dollar Question in Fluid Mechanics
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- เผยแพร่เมื่อ 2 มิ.ย. 2020
- The Navier-Stokes Equations describe everything that flows in the universe. If you can prove that they have smooth solutions, you'll win a million dollars.
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A very informative talk by Dr. Edriss Titi:
• Mathematics of Turbule...
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Why didn't Navier and Stokes solve their own equations, damn it?!
😂
They did. But the margin was too small.
@@ihato8535 lmao
@@ihato8535 you are a Legend
Run out of paper 😀
I’ve discovered a truly marvelous solution to the Navier-Stokes equation, which this comment is too narrow to contain
Publish it, then.
@@rjthescholar177 You missed the reference.
@@rjthescholar177 en.m.wikipedia.org/wiki/Fermat's_Last_Theorem
😄
Myers Last Solution
The best video on navier-stokes equation
Thank you!! Really appreciate it :)
Indeed
Ayush Thapliyal > Math as Theology = Sacred Geometry?
[6:54 -- 7:01] Aleph Zero: "In a very secular sense, one can say: To know Navier-Stokes is to know the mind of God."
@@jivanvasant “Mathematics is the language in which God has written the universe” ― Galileo Galilei
Nah bro. This video ist dogshit in comparison to the Numberphile Video
As a fluid dynamicist, I congratulate you, sir, for the quality of your videos. You manage to convey the meaning of the topics you present, in a clear and concise manner, and the beauty of mathematics. More content like this is needed. Keep the good work.
You look tense in your profile pic. Get those tensors out of your life man!
I also specialize in fluid dynamics and concur this video is wonderful.
@@theludvigmaxis1 yeah, I specialize in spotting the specialists who fake it.
I'm also a fluib dynansmicsist and it's ok
As a Food dinomasochist I can relate.
There's something profoundly recursive about using a fluid simulation to illustrate what aspects of fluid motion prevent us from solving Navier-Stokes...an equation that would allow us to accurately simulate all fluids
(obviously fluid simulations are using shortcuts and it's just for demonstration purposes, but it's still brain twisty)
I agree with you completely and what beautiful way did you use to present that haha
Cuz is from God ...
Hey I must appreciate ur work behind d screen..good job👍👍
😅😅
I see that trajectory, well deserved, you'll quickly rise to the top. I love your enthusiasm and passion for the subjects, not to mention the production and execution of the content are top-notch. Hats off.
It's one thing to understand a difficult subject but quite a different matter to convey one's understanding with this level of clarity. It is a gift.
when i finally grasp the concept by the end of the video, especially if it ends with such quotes, i get chills down my spine, i love your content
What I find even more beautiful about Navier-Stokes is that when actually think about it, it arises in a relatively "simple" manner, being Newton's Second Law applied to fluid mechanics, but it still so incredibly difficult. Nonlinear parcial differential equations are so rough to handle, but at the same time they appear in so many places in the study of nature, I guess this is a testament to just how complex nature really is. Anyway, very good video, and a question for you, do you plan on covering any other specific differential equations, and if yes, which ones?
Couldn't agree more! The simplest equation becomes unsolvable once applied to fluids. It's crazy that we can't solve even the most basic non-linear PDE's; it shows just how far we need to go in understanding nature mathematically. I might make a video on some other DEs: likely the Einstein Field Equations of General Relativity (tensor calculus on curved manifolds, very interesting), or maybe the three-body problem. Thanks for the comment!
This is one of the most beautiful videos I've seen on youtube. Dude, youre freaking amazing and you've got me subbed so bad
Thanks for the great video. I have watched a handfull of videos to understand the Navier Stokes equation, and yours is the first one that actually managed to teach me something about it.
This is the best explanation of Navier Stokes I've seen. Well done.
i'm really happy i discovered this channel
I'm glad too! Welcome.
I have no words to describe.........
How beautiful this explanation was......
This is definitely the kind of content I was looking for! So good!
These videos are amazing!! I really love the presentation along with the explanations. Phenomenal work dude!
Dude, your channel is gonna blow up. Content and presentation is awesome! Really hope to see more from you. You make math feel visceral, not "far away," if that makes any sense
Thank you!! That's very kind :) I try to show the core intuition behind the topics when making these videos.
Bro he didn’t explain anything about the mathematics of the equation u simply found the explanation U were looking for to the degree of difficulty that U were looking for but this is simply a history lesson on the problem
@@ATlantis12 Where in my comment did I indicate that I felt as though I understood the massive scope of this problem with an elite level of precision? It's enjoyable to watch a well-made, digestible presentation on these enormous math problems; nothing more, nothing less.
@@OwenMcKinley you indicated it at the words "not far away"
@@rumfordc Ah, perhaps; I agree. But I don't believe that I understand the full scope of the problem. There's a reason why it still hasn't been cracked.
I just want to gush about this guy's videos to every person in my life. Their quality is singular.
Thank you Arts-and-Crafty Storyteller Math-Man for expending your focus in this way.
Wow, that was beautiful explanation of navier stokes equation. This channel deserves more attention
for the very first time in my life...i feel alive after watching this video....wow thank you
Love the video!
Maybe interesting to know: In CFD (Computational Fluid Dynamics) we solve it by averaging the turbulente fluctuation of the velocity. Therefore different turbulence models are being used and improved every year. That's why flow simulation, around airplanes for example, is possible. So we can't solve it at all, but we became really good at simulating it!
You are a superb teacher. I've subscribed and as soon as I finish typing this I'll search for all your other videos. Thank you!
Dude. Awesome. Keep doing what you do. Ill be watching your future with great interest.
Just Woww!!! It was quite simple for You to explain the problem behind Navier-Stokes equations!! Congrats!!
I am so happy to see Ladyzhenskaya's work mentioned here! Excellent video, as always.
You are simply amazing! Pls keep going with your content🔥❤️
Damn this is like the best video I have seen about this topic, very well explained. Thank you!
I have been studying fluid dynamics for last 7 years and I must say this presentation was spot on!!! Great job!!!!
I’ve been studying fluid dynamics for the past 7 minutes.
And it’s true!!!
I study it for 25 years and can say it is mathematical point of view on physical problem.
soooooooo moved by your fascinating presentation...... mind blowing... thx
I am so glad I found this channel!
Yep I also agree that your channel is gonna boom. I liked the channel after finishing my very first video from this channel.
One needs a certain level of passion to make such video!!!!!
Thanks man , it was a great! explanation.
Really nice video on Navier-stokes eqn. Will be waiting for furthur uploads..Keep it up dude.
Thanks for sharing this. A very accessible presentation of a complicated equation.
The "Stokes" is an ancestor of mine who developed an equation for the rate of fall of a sphere through a viscous medium. I never have figured out what use the formula was. It's nice to see educational videos and thanks for sharing.
Yeah, my ancestor proved your ancestor tried to pull a failed hoax.
So, you inherited a failure.
So, how it feel to walk into a bar knowing that the ladies think you inherited a failure ? :)
@@reimannx33 My ancestors of vikings made your ancestors beg for their lives. So, how does it feel to walk into a bar knowing that the ladies think you're a weak beta male?
@@EmilM-pb2hn Civilized intelligent Man may be physically weaker than the brutes and beasts, but it is our wits and IQ that led us to the moon, and create science & technology rather than the reptilian-brained brutes.
So, while you may flout your low IQ and drum your empty cranium to make noise, the rest of the world laughs at your folly characterised by ignoramus being your "Dream"y bliss.
My ancestor made a song that almost no one cares about anymore but was featured in an old movie, so that’s cool 😎
@@cara-setun We might be related.
Really love your work bro! Keep it going
Brilliant short video, well done! I'd like longer ones too.
Loved the video! This made me realize that there isn't much vulgarisation content on youtube about functional analysis and pde theory compared to topics like algebra and topology. I'm guessing that might be because the subjects seem to deal on the surface with relatively easy topics like multivariable calculus, and it feels hard to go into more details without getting into the specifics of various functional spaces. That's a shame because these are the fields I study and it sometimes kind of feel like they're unappreciated by "pure" mathematicians.
If you want to talk more about this kind of stuff, I think it would be really cool to have a video on distribution theory. I feel like the concept might be general enough to fit into one video, more so than sobolev spaces for example.
I really appreciate your videos! Hope you keep on.
you explained everything so clearly, thank you
thanks so much!
A part from being among the top top channel of math in all TH-cam, there is something special about yours the way you simplify the key milestones to really understand a hard concept. Without the need of big animations, because it relays on these key Simplifications. As you side in other video; you are simplifying knowledge for us, thank you for sharing this digested math wisdom.
I loved all your videos so is silly to suggest but I really calculus since is the language of Nature. Understanding the nature of calculus is understanding nature from Math point of view. I would love to see more related video to differential equations e.g. Laplace transformation. Or the relation between different fields of math. One subject that always fascinate me is the conical curves :)
This channel can only grow, thank you for your efforts.
Brilliant. This is totally awesome. Way to go, Aleph!
Thanks uncle!! That's very kind of you :)
Your explanation, presentation, comparison with nature life god everything...everything is awesome
Best of luck getting this Chanel up and running
Thank you!! Appreciate it :)
Beautiful and outstanding job man!
Thank you for this! Very intriguing.
Came here to procrastinate on my upcoming fluid mechanics exam.
Wasn't expecting such a philosophical ending.
Great work!! Keep shining brother!
I've just started working on fluid mechanics, it's nice to see where it's leading, even if it's leading somewhere unsolvable :))
Very inspiring video... Wish I had a calculus teacher like that.
Congratulations! Nice and complete video!
Awesome vid. Would be great to have some more Millennials explained simply like that
Just beautifully put together!
Thanks Joel!
Great vid hope you do one for every million dollar question
wow.. one of the best.. keep it up bro.. 👍👍
Really great video! But Navier stokes also has its limits! Even for fluids. You can only apply them to continuums where the Knudsen number is small enough.
Excellently done.
This is an excellent video. Keep it up.
I absolutely have no knowledge on physics but I understood this...kudos man
Im not a physicist at all, I don't even study physics, but work in healthcare and have a question on what an "initial condition" is and what "all eternity" means in the context of these equations. I assume this is undergrad level stuff (not the solving the equation, but those particular terms) so am sure some people in the comment can help.
Basically, if I have a container of water like a bucket, and the water is settled, and thenI punch it, there is now an "initial condition". But any calculation of the resolving of that reaction can't, and won't, take into consideration other outside acts like me throwing in a brick or tipping the water over or rain occurring.
Now lets take the Ocean, or the "air" (the various spheres the names of which I can't recall now but all of which interact with each other). All of these are complex systems with various dynamic entities in them. The Ocean isn't a closed system but even if it was and no water escaped and no additional creatures went in, the existence of animals that can "randomly" change directions would greatly interfere with the calculations as they create new flow.
So is the equation assuming a perfect closed system and, if so, what value, if any, does solving the equation have for the "real world" (I have a friend in mathematics who hates the " real world" question but I am not in mathematics so ill ask it :p )
Great video, so much quality :)
Wonderful job 👍
Do a video on mass gap bro! You explain the millennium problems so well
the best video about the Navier Stokes Equation. "Solving Navier Stokes Equation is like solving a personality" ...wow
Awesome video. Thank you!
Navier stokes in incompressible form hurts my eyes - detracts from the problem - and I mainly work with incompressible flows. In any case, great video and very well presented.
Very nice presentation! You can add a new episode on how to solve the equation numerically.😊
Brilliant, clear and interesting introduction to this topic - thank you!
I'm a second year in aerospace engineering, and this was very interesting to watch. Super stoked to learn more about this in further detail (no pun intended)
Best math channel ever
Holy shit.... this made me think and perceive things differently
Awesome video
Very well done
thanks a lot- very good job
Very good. Thanks a lot.
Beautiful!
This started like 100 Second Physics, went on like Today I Found Out and ended like VSauce. XD
Excellent content, subbed and liked
Amazing video ⭐❤
best math youtuber i know!
BESTEST Video ever in internet about N.S equations. Million thanks for this.
Also, Solutions for N.S. equations doesn't exist like the word BESTEST :)
Amazing video! you deserve more subs
Aw thanks! That's really sweet :)
Wow… I just graduated with my math degree and I believe you’ve just convinced me to go back for phd… dang it
Wow. What a video!
From where do you get the time derivative of the pressure? It doesn't appear in Navier-Stokes equations.
Amazing channel!
I love the last quote
can you please make a video on curl, divergence and electromagnetic equations. intuition behind those concepts is elusive for me
Enjoyed!
I think we should be a bit careful. Navier Stokes does not describe everything that flows. It only describes flow of even viscosity, isotropic media. It would not describe nematics, polymer flow, or that of active matter/odd viscosity media.
Awesome video.
A pattern to noticed in likes and dislikes, likes can be described as squares and dislike as sum of squares
Like : n^2
Dislike : (n+2)^2+(n-1)^2
Excellent video.
Nice Presentation
nice video aleph naught!
The most amazing explanation and video on navier stokes
Btw what and where do you study
Amazing video!
THis teaches everything that's needed
No need to go as far as fluids to find impossible to solve equations, try the 3 body problem or the simple dual/triple pendulum. Such a complex thing as a fluid will go chaotic very quickly. the main problem seems to be that equations have only two sides, however in reality inside a fluid there are infinite many equations that "equal" one another simultaneously. This sort of "dependency" causes chaotic evolution very quickly. Chaotic only because in reality the evolution of systems is always chaotic except in the quantum world. Only in our equations does it seem that things are deterministic. Our equations model reality in the simplest cases very well. You have the best videos on these subjects, great work!